bespoke window, door and glazing SPECIALISTS in kent, london and surrounding areas.

Grabex Windows is a family-run manufacturer and installer of bespoke windows, doors, glass roofs, balustrades and fitted furniture, based at our own factory in Orpington, Kent.

We work with homeowners, architects, self-builders and trade customers across London, Kent, Surrey and the South East, offering aluminium, timber and uPVC systems, including the full Reynaers aluminium range as a Reynaers Premier Partner, for everything from heritage timber sash windows to large-format aluminium slim sliding doors.

Because every product is manufactured in-house, we can manage a project end to end: survey, manufacture and FENSA-approved installation, all backed by a 10-year comprehensive guarantee. Whether you're restoring a period property, opening up a kitchen extension with sliding or bi-fold doors, or fitting a full range of made-to-measure kitchens and wardrobes, our team designs and builds each order to the exact specification of your home.

With nearly 20 years in the industry and hundreds of five-star reviews on Google and Trustpilot, Grabex has built a reputation for quality, reliability and craftsmanship, visit our Orpington showroom to see the full range in person.